./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7e459611ed6ff9d4c49aa04980ca7f1d5aaaf97e8fc0116c264955df4ed453a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:07:44,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:07:44,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:07:44,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:07:44,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:07:44,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:07:44,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:07:44,219 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:07:44,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:07:44,226 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:07:44,227 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:07:44,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:07:44,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:07:44,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:07:44,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:07:44,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:07:44,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:07:44,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:07:44,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:07:44,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:07:44,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:07:44,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:07:44,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:07:44,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:07:44,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:07:44,267 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:07:44,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:07:44,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:07:44,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:07:44,272 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:07:44,273 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:07:44,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:07:44,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:07:44,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:07:44,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:07:44,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:07:44,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:07:44,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:07:44,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:07:44,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:07:44,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:07:44,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:07:44,304 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:07:44,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:07:44,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:07:44,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:07:44,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:07:44,306 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:07:44,307 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:07:44,307 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:07:44,307 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:07:44,307 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:07:44,308 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:07:44,308 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:07:44,308 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:07:44,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:07:44,309 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:07:44,309 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:07:44,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:07:44,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:07:44,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:07:44,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:07:44,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:07:44,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:07:44,311 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:07:44,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:07:44,311 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:07:44,312 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:07:44,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:07:44,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:07:44,312 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:07:44,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:07:44,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:07:44,314 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:07:44,314 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7e459611ed6ff9d4c49aa04980ca7f1d5aaaf97e8fc0116c264955df4ed453a [2022-11-18 20:07:44,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:07:44,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:07:44,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:07:44,657 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:07:44,658 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:07:44,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2022-11-18 20:07:44,731 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/data/9305fd486/56fb823d04794e86a09fc8c250897ea2/FLAG1d1d1859a [2022-11-18 20:07:45,188 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:07:45,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c [2022-11-18 20:07:45,195 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/data/9305fd486/56fb823d04794e86a09fc8c250897ea2/FLAG1d1d1859a [2022-11-18 20:07:45,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/data/9305fd486/56fb823d04794e86a09fc8c250897ea2 [2022-11-18 20:07:45,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:07:45,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:07:45,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:45,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:07:45,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:07:45,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:45,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@450b1ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45, skipping insertion in model container [2022-11-18 20:07:45,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:45,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:07:45,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:07:45,799 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c[730,743] [2022-11-18 20:07:45,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:45,853 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:07:45,865 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/sv-benchmarks/c/bitvector/soft_float_4-3a.c.cil.c[730,743] [2022-11-18 20:07:45,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:07:45,929 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:07:45,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45 WrapperNode [2022-11-18 20:07:45,930 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:07:45,933 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:45,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:07:45,933 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:07:45,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:45,963 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,008 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 427 [2022-11-18 20:07:46,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:07:46,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:07:46,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:07:46,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:07:46,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:07:46,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:07:46,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:07:46,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:07:46,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (1/1) ... [2022-11-18 20:07:46,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:46,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:46,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:46,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:07:46,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:07:46,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:07:46,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:07:46,257 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:07:46,259 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:07:46,863 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:07:46,871 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:07:46,871 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-18 20:07:46,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:46 BoogieIcfgContainer [2022-11-18 20:07:46,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:07:46,875 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:07:46,875 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:07:46,879 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:07:46,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:46,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:07:45" (1/3) ... [2022-11-18 20:07:46,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fa602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:07:46, skipping insertion in model container [2022-11-18 20:07:46,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:46,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:07:45" (2/3) ... [2022-11-18 20:07:46,882 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38fa602e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:07:46, skipping insertion in model container [2022-11-18 20:07:46,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:07:46,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:46" (3/3) ... [2022-11-18 20:07:46,884 INFO L332 chiAutomizerObserver]: Analyzing ICFG soft_float_4-3a.c.cil.c [2022-11-18 20:07:46,940 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:07:46,940 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:07:46,941 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:07:46,941 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:07:46,941 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:07:46,941 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:07:46,941 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:07:46,942 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:07:46,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:46,984 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-11-18 20:07:46,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:46,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:46,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:07:46,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:46,991 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:07:46,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 123 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:46,999 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2022-11-18 20:07:46,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:47,000 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:47,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:07:47,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:47,008 INFO L748 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 32#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;main_~ma~2#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~ea~2#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~eb~2#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 72#L29true assume !(0 == base2flt_~m#1 % 4294967296); 104#L35true assume !(base2flt_~m#1 % 4294967296 < 16777216); 43#L57-2true [2022-11-18 20:07:47,008 INFO L750 eck$LassoCheckResult]: Loop: 43#L57-2true assume !false; 31#L58true assume base2flt_~m#1 % 4294967296 >= 33554432; 84#L59true assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 43#L57-2true [2022-11-18 20:07:47,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:47,015 INFO L85 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2022-11-18 20:07:47,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:47,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532398763] [2022-11-18 20:07:47,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:47,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:47,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:07:47,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532398763] [2022-11-18 20:07:47,324 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532398763] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:07:47,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:07:47,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:07:47,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6425620] [2022-11-18 20:07:47,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:07:47,332 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:07:47,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:47,333 INFO L85 PathProgramCache]: Analyzing trace with hash 74612, now seen corresponding path program 1 times [2022-11-18 20:07:47,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:47,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117445904] [2022-11-18 20:07:47,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:47,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:47,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:47,368 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:47,418 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:47,418 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:47,419 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:47,419 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:47,419 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:47,419 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,420 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:47,420 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:47,420 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration1_Loop [2022-11-18 20:07:47,420 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:47,421 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:47,439 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:47,454 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:47,574 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:47,575 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:47,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:47,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:47,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:07:47,593 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:47,593 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:47,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-18 20:07:47,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:47,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:47,640 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:47,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:47,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:07:47,679 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:47,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:47,697 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:47,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:47,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:47,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:47,698 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:47,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:47,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:47,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration1_Loop [2022-11-18 20:07:47,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:47,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:47,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:47,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:47,843 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:47,848 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:47,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:47,857 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:47,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:47,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:47,878 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:47,878 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:47,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:47,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:47,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:47,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:07:47,895 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:47,906 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:47,906 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:47,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:47,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:47,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:47,919 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:47,919 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:47,920 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:47,920 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-11-18 20:07:47,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:07:47,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:47,933 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:47,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:48,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:48,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:48,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:48,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:48,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:48,087 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 20:07:48,091 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 123 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:48,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 123 states, 122 states have (on average 1.6967213114754098) internal successors, (207), 122 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 373 states and 618 transitions. Complement of second has 6 states. [2022-11-18 20:07:48,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:48,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 404 transitions. [2022-11-18 20:07:48,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 404 transitions. Stem has 4 letters. Loop has 3 letters. [2022-11-18 20:07:48,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:48,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 404 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:07:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:48,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 404 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-18 20:07:48,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:48,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 373 states and 618 transitions. [2022-11-18 20:07:48,290 INFO L131 ngComponentsAnalysis]: Automaton has 9 accepting balls. 27 [2022-11-18 20:07:48,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 373 states to 73 states and 114 transitions. [2022-11-18 20:07:48,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2022-11-18 20:07:48,298 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 70 [2022-11-18 20:07:48,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 73 states and 114 transitions. [2022-11-18 20:07:48,299 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:07:48,299 INFO L218 hiAutomatonCegarLoop]: Abstraction has 73 states and 114 transitions. [2022-11-18 20:07:48,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states and 114 transitions. [2022-11-18 20:07:48,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 58. [2022-11-18 20:07:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.6206896551724137) internal successors, (94), 57 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:48,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 94 transitions. [2022-11-18 20:07:48,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 58 states and 94 transitions. [2022-11-18 20:07:48,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:07:48,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:07:48,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:07:48,350 INFO L87 Difference]: Start difference. First operand 58 states and 94 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:48,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:07:48,432 INFO L93 Difference]: Finished difference Result 32 states and 43 transitions. [2022-11-18 20:07:48,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 43 transitions. [2022-11-18 20:07:48,433 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-11-18 20:07:48,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 43 transitions. [2022-11-18 20:07:48,434 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-11-18 20:07:48,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-11-18 20:07:48,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 43 transitions. [2022-11-18 20:07:48,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:48,435 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 43 transitions. [2022-11-18 20:07:48,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 43 transitions. [2022-11-18 20:07:48,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 29. [2022-11-18 20:07:48,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:48,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2022-11-18 20:07:48,437 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-11-18 20:07:48,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:07:48,438 INFO L428 stractBuchiCegarLoop]: Abstraction has 29 states and 40 transitions. [2022-11-18 20:07:48,439 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:07:48,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 40 transitions. [2022-11-18 20:07:48,439 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-11-18 20:07:48,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:48,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:48,440 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:48,440 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:48,440 INFO L748 eck$LassoCheckResult]: Stem: 653#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 629#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;main_~ma~2#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~ea~2#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~eb~2#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 630#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 655#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 631#L80 main_#t~ret8#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 632#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 633#L35-1 assume !(base2flt_~m#1 % 4294967296 < 16777216); 634#L57-5 [2022-11-18 20:07:48,441 INFO L750 eck$LassoCheckResult]: Loop: 634#L57-5 assume !false; 636#L58-1 assume base2flt_~m#1 % 4294967296 >= 33554432; 637#L59-1 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 634#L57-5 [2022-11-18 20:07:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1807305057, now seen corresponding path program 1 times [2022-11-18 20:07:48,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:48,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623665044] [2022-11-18 20:07:48,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:48,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,452 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,463 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:48,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:48,463 INFO L85 PathProgramCache]: Analyzing trace with hash 159017, now seen corresponding path program 1 times [2022-11-18 20:07:48,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:48,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922008698] [2022-11-18 20:07:48,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:48,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,472 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:48,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:48,479 INFO L85 PathProgramCache]: Analyzing trace with hash -284940343, now seen corresponding path program 1 times [2022-11-18 20:07:48,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:48,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068734873] [2022-11-18 20:07:48,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:48,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,493 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:48,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:48,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:48,537 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:48,537 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:48,537 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:48,538 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:48,538 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:48,538 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,538 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:48,538 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:48,538 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration2_Loop [2022-11-18 20:07:48,538 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:48,538 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:48,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:48,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:48,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:48,674 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:48,675 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:48,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:48,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:48,692 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:48,693 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:48,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:07:48,729 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:07:48,729 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=-1} Honda state: {ULTIMATE.start_base2flt_~m#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:07:48,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:48,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:48,741 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:48,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:48,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:48,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:07:48,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:48,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:48,796 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:48,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:48,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:48,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:07:48,839 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:48,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:48,846 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:48,846 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:48,846 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:48,846 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:48,846 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:48,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:48,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:48,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration2_Loop [2022-11-18 20:07:48,847 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:48,847 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:48,848 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:48,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:48,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:48,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:48,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:48,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:48,970 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:48,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:48,993 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:48,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:48,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:48,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:48,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:48,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:07:48,997 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:48,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:49,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:49,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:49,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,020 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:49,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:49,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:49,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:49,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:49,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:49,049 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:49,049 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:49,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:07:49,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:49,070 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:49,070 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:49,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,072 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,081 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:49,081 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:49,082 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:49,082 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-11-18 20:07:49,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:07:49,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:49,092 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:49,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:49,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:49,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:49,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:49,167 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 20:07:49,168 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,198 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 40 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 56 states and 78 transitions. Complement of second has 5 states. [2022-11-18 20:07:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:49,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 49 transitions. [2022-11-18 20:07:49,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:07:49,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:07:49,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 49 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-18 20:07:49,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 78 transitions. [2022-11-18 20:07:49,201 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 15 [2022-11-18 20:07:49,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 48 states and 65 transitions. [2022-11-18 20:07:49,202 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2022-11-18 20:07:49,202 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2022-11-18 20:07:49,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 65 transitions. [2022-11-18 20:07:49,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:07:49,203 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 65 transitions. [2022-11-18 20:07:49,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 65 transitions. [2022-11-18 20:07:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 32. [2022-11-18 20:07:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-11-18 20:07:49,205 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-18 20:07:49,205 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-18 20:07:49,206 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:07:49,206 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-11-18 20:07:49,206 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-18 20:07:49,206 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:49,206 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:49,207 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:49,207 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:49,207 INFO L748 eck$LassoCheckResult]: Stem: 791#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 763#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;main_~ma~2#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~ea~2#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~eb~2#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 764#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 792#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 765#L80 main_#t~ret8#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 766#L29-1 assume !(0 == base2flt_~m#1 % 4294967296); 767#L35-1 assume base2flt_~m#1 % 4294967296 < 16777216; 769#L47-3 [2022-11-18 20:07:49,207 INFO L750 eck$LassoCheckResult]: Loop: 769#L47-3 assume !false; 790#L38-1 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 785#L47-2 assume base2flt_~m#1 % 4294967296 < 16777216; 769#L47-3 [2022-11-18 20:07:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1807305031, now seen corresponding path program 1 times [2022-11-18 20:07:49,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626472773] [2022-11-18 20:07:49,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 133258, now seen corresponding path program 1 times [2022-11-18 20:07:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950725320] [2022-11-18 20:07:49,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash -285740668, now seen corresponding path program 1 times [2022-11-18 20:07:49,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541250552] [2022-11-18 20:07:49,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,251 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,314 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:49,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:49,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:49,314 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:49,314 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:49,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:49,315 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:49,315 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration3_Loop [2022-11-18 20:07:49,315 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:49,315 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:49,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:49,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:49,398 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:49,398 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:49,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,436 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,440 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:49,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:07:49,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:49,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,474 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:49,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:49,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:07:49,515 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:49,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:49,522 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:49,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:49,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:49,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:49,523 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:49,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:49,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:49,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration3_Loop [2022-11-18 20:07:49,524 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:49,524 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:49,525 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:49,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:49,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:49,608 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:49,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,613 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:49,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:49,636 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:49,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:49,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:49,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:49,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:49,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:07:49,644 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:49,646 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:49,646 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:49,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:49,650 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:49,656 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:49,657 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:49,657 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:49,657 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2022-11-18 20:07:49,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:07:49,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:49,666 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:49,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:49,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:49,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:49,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:49,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:49,780 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:07:49,780 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,811 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 16. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 83 transitions. Complement of second has 5 states. [2022-11-18 20:07:49,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2022-11-18 20:07:49,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-18 20:07:49,813 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:07:49,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 50 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-18 20:07:49,814 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:49,814 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 83 transitions. [2022-11-18 20:07:49,815 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2022-11-18 20:07:49,818 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 52 states and 70 transitions. [2022-11-18 20:07:49,819 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2022-11-18 20:07:49,821 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2022-11-18 20:07:49,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 70 transitions. [2022-11-18 20:07:49,822 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:07:49,822 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 70 transitions. [2022-11-18 20:07:49,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 70 transitions. [2022-11-18 20:07:49,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 35. [2022-11-18 20:07:49,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3714285714285714) internal successors, (48), 34 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:49,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2022-11-18 20:07:49,829 INFO L240 hiAutomatonCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-11-18 20:07:49,830 INFO L428 stractBuchiCegarLoop]: Abstraction has 35 states and 48 transitions. [2022-11-18 20:07:49,830 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:07:49,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 48 transitions. [2022-11-18 20:07:49,830 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:07:49,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:49,833 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:49,834 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:49,834 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:49,835 INFO L748 eck$LassoCheckResult]: Stem: 934#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 905#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;main_~ma~2#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~ea~2#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~eb~2#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 906#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 937#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 907#L80 main_#t~ret8#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 908#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 918#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 926#L80-1 main_#t~ret9#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 932#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 923#L35-2 assume base2flt_~m#1 % 4294967296 < 16777216; 924#L47-5 [2022-11-18 20:07:49,835 INFO L750 eck$LassoCheckResult]: Loop: 924#L47-5 assume !false; 933#L38-2 assume !(base2flt_~e#1 <= -128);base2flt_~e#1 := base2flt_~e#1 - 1;base2flt_~m#1 := 2 * base2flt_~m#1; 938#L47-4 assume base2flt_~m#1 % 4294967296 < 16777216; 924#L47-5 [2022-11-18 20:07:49,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash -285285893, now seen corresponding path program 1 times [2022-11-18 20:07:49,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835980105] [2022-11-18 20:07:49,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,891 INFO L85 PathProgramCache]: Analyzing trace with hash 217663, now seen corresponding path program 1 times [2022-11-18 20:07:49,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155294372] [2022-11-18 20:07:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,900 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash 788428293, now seen corresponding path program 1 times [2022-11-18 20:07:49,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:49,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752440850] [2022-11-18 20:07:49,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:49,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:49,953 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:49,991 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:49,991 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:49,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:49,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:49,992 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:49,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:49,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:49,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:49,992 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration4_Loop [2022-11-18 20:07:49,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:49,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:49,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,076 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:50,076 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:50,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,078 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,082 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:50,082 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:07:50,128 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:07:50,128 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=0} Honda state: {ULTIMATE.start_base2flt_~m#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:07:50,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,139 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:50,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:07:50,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,180 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:07:50,187 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:50,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,227 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:50,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,237 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:50,237 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:50,237 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:50,237 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:50,237 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:50,237 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,237 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:50,237 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:50,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration4_Loop [2022-11-18 20:07:50,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:50,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:50,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,345 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:50,346 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:50,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,352 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:50,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:07:50,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:50,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:50,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:50,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:50,374 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:50,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:50,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:50,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:50,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,396 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:07:50,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:50,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:50,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:50,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:50,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:50,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:50,416 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:50,416 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:50,420 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:50,423 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:50,423 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:50,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,424 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:07:50,429 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:50,429 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:50,429 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:50,429 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = 2*ULTIMATE.start_base2flt_~e#1 + 255 Supporting invariants [] [2022-11-18 20:07:50,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,434 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:50,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:50,485 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:50,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:50,509 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:50,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:50,536 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:07:50,536 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:50,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 48 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 52 transitions. Complement of second has 4 states. [2022-11-18 20:07:50,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2022-11-18 20:07:50,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:07:50,554 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:50,554 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 13 letters. Loop has 3 letters. [2022-11-18 20:07:50,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:50,556 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-18 20:07:50,556 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:50,556 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 52 transitions. [2022-11-18 20:07:50,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:07:50,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 32 states and 44 transitions. [2022-11-18 20:07:50,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2022-11-18 20:07:50,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2022-11-18 20:07:50,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 44 transitions. [2022-11-18 20:07:50,559 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:07:50,559 INFO L218 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-18 20:07:50,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 44 transitions. [2022-11-18 20:07:50,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-18 20:07:50,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.375) internal successors, (44), 31 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:50,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 44 transitions. [2022-11-18 20:07:50,567 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-18 20:07:50,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 44 transitions. [2022-11-18 20:07:50,567 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:07:50,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 44 transitions. [2022-11-18 20:07:50,570 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:07:50,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:07:50,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:07:50,571 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:07:50,571 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:07:50,571 INFO L748 eck$LassoCheckResult]: Stem: 1064#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(24, 2);call #Ultimate.allocInit(12, 3); 1037#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_#t~ret9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_~a~0#1, main_~ma~2#1, main_~ea~2#1, main_~b~0#1, main_~mb~2#1, main_~eb~2#1, main_~r_add1~0#1, main_~r_add2~0#1, main_~zero~0#1, main_~tmp~2#1, main_~tmp___0~0#1, main_~__retres14~0#1;havoc main_~a~0#1;main_~ma~2#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~ea~2#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_~b~0#1;main_~mb~2#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~eb~2#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1;havoc main_~r_add1~0#1;havoc main_~r_add2~0#1;havoc main_~zero~0#1;havoc main_~tmp~2#1;havoc main_~tmp___0~0#1;havoc main_~__retres14~0#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := 0, 0;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1038#L29 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1067#L79 base2flt_#res#1 := base2flt_~__retres4~0#1; 1039#L80 main_#t~ret8#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~zero~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~ma~2#1, main_~ea~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1040#L29-1 assume 0 == base2flt_~m#1 % 4294967296;base2flt_~__retres4~0#1 := 0; 1050#L79-1 base2flt_#res#1 := base2flt_~__retres4~0#1; 1055#L80-1 main_#t~ret9#1 := base2flt_#res#1;assume { :end_inline_base2flt } true;main_~a~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;assume { :begin_inline_base2flt } true;base2flt_#in~m#1, base2flt_#in~e#1 := main_~mb~2#1, main_~eb~2#1;havoc base2flt_#res#1;havoc base2flt_~m#1, base2flt_~e#1, base2flt_~res~0#1, base2flt_~__retres4~0#1;base2flt_~m#1 := base2flt_#in~m#1;base2flt_~e#1 := base2flt_#in~e#1;havoc base2flt_~res~0#1;havoc base2flt_~__retres4~0#1; 1063#L29-2 assume !(0 == base2flt_~m#1 % 4294967296); 1056#L35-2 assume !(base2flt_~m#1 % 4294967296 < 16777216); 1057#L57-8 [2022-11-18 20:07:50,572 INFO L750 eck$LassoCheckResult]: Loop: 1057#L57-8 assume !false; 1053#L58-2 assume base2flt_~m#1 % 4294967296 >= 33554432; 1054#L59-2 assume !(base2flt_~e#1 >= 127);base2flt_~e#1 := 1 + base2flt_~e#1;base2flt_~m#1 := base2flt_~m#1 / 2; 1057#L57-8 [2022-11-18 20:07:50,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:50,572 INFO L85 PathProgramCache]: Analyzing trace with hash -285285867, now seen corresponding path program 1 times [2022-11-18 20:07:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:50,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099125359] [2022-11-18 20:07:50,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:50,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,609 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:50,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:50,609 INFO L85 PathProgramCache]: Analyzing trace with hash 243422, now seen corresponding path program 1 times [2022-11-18 20:07:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:50,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972739749] [2022-11-18 20:07:50,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:50,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,635 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:50,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:50,641 INFO L85 PathProgramCache]: Analyzing trace with hash 789228618, now seen corresponding path program 1 times [2022-11-18 20:07:50,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:07:50,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255490098] [2022-11-18 20:07:50,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:07:50,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:07:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,663 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:07:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:07:50,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:07:50,716 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:50,716 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:50,716 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:50,716 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:50,716 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 20:07:50,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,717 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:50,717 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:50,717 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration5_Loop [2022-11-18 20:07:50,717 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:50,717 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:50,718 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,807 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:50,807 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 20:07:50,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,808 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:50,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:07:50,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 20:07:50,852 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_base2flt_~m#1=-1} Honda state: {ULTIMATE.start_base2flt_~m#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 20:07:50,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,861 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,868 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 20:07:50,868 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:07:50,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:50,896 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:50,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:07:50,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 20:07:50,900 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 20:07:50,922 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 20:07:50,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:50,927 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:07:50,928 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:07:50,928 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:07:50,928 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:07:50,928 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:07:50,928 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:50,928 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:07:50,928 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:07:50,928 INFO L133 ssoRankerPreferences]: Filename of dumped script: soft_float_4-3a.c.cil.c_Iteration5_Loop [2022-11-18 20:07:50,928 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:07:50,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:07:50,929 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:50,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:07:51,036 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:07:51,037 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:07:51,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:51,044 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:51,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:51,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:07:51,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:51,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:51,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:51,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:51,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:51,063 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:51,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:51,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:07:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:51,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:51,087 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:51,091 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:07:51,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:07:51,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:07:51,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:07:51,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:07:51,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:07:51,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:07:51,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:07:51,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:07:51,114 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:07:51,117 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 20:07:51,117 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 20:07:51,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:07:51,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:07:51,120 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:07:51,124 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:07:51,124 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 20:07:51,124 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:07:51,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_base2flt_~e#1) = -2*ULTIMATE.start_base2flt_~e#1 + 253 Supporting invariants [] [2022-11-18 20:07:51,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:07:51,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:51,134 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 20:07:51,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:07:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:51,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:07:51,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:07:51,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:07:51,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:07:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:07:51,209 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-18 20:07:51,209 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:51,215 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 44 transitions. cyclomatic complexity: 15. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 4 states. [2022-11-18 20:07:51,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 20:07:51,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:07:51,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-11-18 20:07:51,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-18 20:07:51,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:51,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 13 letters. Loop has 3 letters. [2022-11-18 20:07:51,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:51,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 35 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-18 20:07:51,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:07:51,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 48 transitions. [2022-11-18 20:07:51,221 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:07:51,221 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2022-11-18 20:07:51,221 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:07:51,221 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:07:51,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:07:51,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:07:51,221 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:51,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:51,222 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:07:51,222 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:07:51,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:07:51,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:07:51,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:07:51,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:07:51 BoogieIcfgContainer [2022-11-18 20:07:51,242 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:07:51,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:07:51,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:07:51,243 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:07:51,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:07:46" (3/4) ... [2022-11-18 20:07:51,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:07:51,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:07:51,246 INFO L158 Benchmark]: Toolchain (without parser) took 5716.40ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 66.5MB in the beginning and 66.7MB in the end (delta: -190.4kB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,247 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:07:51,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.25ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 80.2MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.65ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 76.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,248 INFO L158 Benchmark]: Boogie Preprocessor took 72.67ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,248 INFO L158 Benchmark]: RCFGBuilder took 788.26ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 46.3MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,248 INFO L158 Benchmark]: BuchiAutomizer took 4367.80ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 46.3MB in the beginning and 67.8MB in the end (delta: -21.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-18 20:07:51,249 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 146.8MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:07:51,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.25ms. Allocated memory is still 107.0MB. Free memory was 66.3MB in the beginning and 80.2MB in the end (delta: -13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.65ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 76.9MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.67ms. Allocated memory is still 107.0MB. Free memory was 76.9MB in the beginning and 74.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.26ms. Allocated memory is still 107.0MB. Free memory was 74.5MB in the beginning and 46.3MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 4367.80ms. Allocated memory was 107.0MB in the beginning and 146.8MB in the end (delta: 39.8MB). Free memory was 46.3MB in the beginning and 67.8MB in the end (delta: -21.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 146.8MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (1 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * e + 253 and consists of 4 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. One deterministic module has affine ranking function 2 * e + 255 and consists of 3 locations. One deterministic module has affine ranking function -2 * e + 253 and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 51 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 361 mSDsluCounter, 428 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 40 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 70 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 388 mSDtfsCounter, 70 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp56 ukn100 mio100 lsp100 div570 bol100 ite100 ukn100 eq132 hnf96 smp42 dnf100 smp100 tf105 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 67ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 5 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:07:51,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:07:51,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-11-18 20:07:51,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25afda94-da38-4e21-8530-7ef6bf745041/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE